Autor: Żółtowska, I. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Model for Balancing Aggregated Communication Bandwidth Resources
Autorzy:: Pałka, P.
Kołtyś, K.
Toczyłowski, E.
Żółtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/309024.pdf
Data publikacji:: 2009
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: aggregation
auctions
bandwidth market
multicommodity trade
Opis:: In this paper we present a multicommodity bandwidth exchange model for balancing aggregated communication bandwidth resources (BACBR) that allows us to aggregate similar offers. In this model offers submitted to sell (or buy) the same, similar, or equivalent network resources (or demands for end-to-end connections) are aggregated into single commodities. BACBR model is based on the balancing communication bandwidth trade (BCBT) model. It requires much less variables and constraints then original BCBT, however the outcomes need to be disaggregated. The general model for disaggregation is also given in the paper.
Źródło:: Journal of Telecommunications and Information Technology; 2009, 3; 43-49
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Multicommodity Auction Model for Indivisible Network Resource Allocation
Autorzy:: Kołtyś, K.
Pałka, P.
Toczyłowski, E.
Żołtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/307940.pdf
Data publikacji:: 2008
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: bandwidth allocation
indivisible commodities
modularity
multicommodity trade
pricing
Opis:: In this paper we present the multicommodity auction model BCBT-I that allocates indivisible network resources among bidders. The approach can be considered as a generalization of the basic multicommodity model for balancing communication bandwidth trade (BCBT). The BCBT model assumes that offers concerning inter-node links and point-to-point bandwidth demands can be realized partially. However, in the real-world trade there might be a need to include capacity modularity in the market balancing process. Thus we state the model for balancing communication bandwidth trade that takes into account the indivisibility of traded bandwidth modules. This requires to solve a mixed integer problem and increases computational complexity. Furthermore, the pricing issue appears nontrivial, as the dual prices cannot be longer used to set fair, competitive market prices. For clearing the market, we examine the multicommodity pricing mechanizm based on differentiation of buy and sell market prices.
Źródło:: Journal of Telecommunications and Information Technology; 2008, 4; 60-66
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Bandwidth Trading: A Comparison of the Combinatorial and Multicommodity Approach
Autorzy:: Kołtyś, K.
Pałka, P.
Toczyłowski, E.
Żółtowska, I.
Powiązania:: https://bibliotekanauki.pl/articles/309152.pdf
Data publikacji:: 2010
Wydawca:: Instytut Łączności - Państwowy Instytut Badawczy
Tematy:: bandwidth allocation
combinatorial auction
computational efficiency
ndivisible resources
multicommodity trade
Opis:: Since the telecommunication market becomes more complex and dynamic, a strong need for a new, efficient and flexible bandwidth trading mechanisms appears. We believe that good mechanisms, that allow effective and fair allocation of bandwidth between market participants will help to develop the real competitive bandwidth market. In this paper we compare two different double-sided bandwidth auction mechanisms, that seem to be well suited approaches for trading indivisible units of bandwidth: combinatorial auction c-SeBiDA and multicommodity mechanism BACBR-I. The c-SeBiDA mechanism considers two types of commodities: inter-node links and paths consisting of particular links. Market participants may bid a single link, or a bundle of links, constituting a specific path. The BACBR-I mechanism is a multicommodity exchange model, that allows bidders to place buy offers not only for individual or bundled links, but rather for end-to-end connections. Therefore, it is the decision model that allocates the most efficient links to connections. We run a large set of experiments to test the allocation and computational efficiency obtained under both approaches.
Źródło:: Journal of Telecommunications and Information Technology; 2010, 2; 67-72
1509-4553
1899-8852
Pojawia się w:: Journal of Telecommunications and Information Technology
Dostawca treści:: Biblioteka Nauki

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